The threat came in on Wednesday morning via YouTube. A group, calling themselves "Anonymous," say they plan to crash the Albuquerque Police Department's website. They explain they are upset over the city's several recent officer-involved shootings, specifically with the one that happened in the foothills, killing an illegal camper named James Boyd.

"APD you now have the full attention of Anonymous," the video says.

In the clip, a headless man speaks about their mission in a robotic voice. "We do not forget. We do not forgive. We are legion. We are anonymous," is the motto in their video and clip description.

The group is known nationwide. In the past, they've threatened the US government, the controversial Westboro Baptist Church, the church of Scientology, Mastercard and more. Action 7 News learned that in the past as well, the group has been successful in taking down several websites.

Albuquerque's chief administrative officer, Rob Perry, spoke about the threat. He told Action 7 News they are taking the threats seriously and are doing everything possible to safe-guard against them. When asked if any files had been breached already, Perry said they had no reason to believe so, but that cyber-security can be tough to figure out.

The group also requests a rally for people to "occupy" APD's main headquarters and other facilities. They list a specific day and time. City officials and police officers were notified and are aware of when this could occur.

Cities most vulnerable to cybercrime

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Internet security provider AVG ranks which U.S. cities are most vulnerable to online threats like identity theft and email security breaches using a survey of 8,000 Internet users in 35 cities.

KOAT-DOT- COM. A THREAT THIS MORNING FROM AN INTERNATIONAL NETWORK OF ACTIVISTS.. THIS GROUP HAS HACKED GOVERNMENT AGENCIES AND BIG CORPORATIONS. THE LATEST TARGET?... THE ALBUQUERQUE POLICE DEPARTMENT! KOAT ACTION 7 NEWS REPORTER ANGELA BRAUER IS LIVE DOWNTOWN TO EXPLAIN. A WELL KNOWN GROUP OF HACKERS IS NOW JUMPING ON THE BANDWAGON, SPEAKING UP ABOUT ALL OF ALBUQUERQUE'S RECENT OFFICER INVOLVED SHOOTINGS. THE GROUP....IS KNOWN AS "ANONYMOUS" AND IS THREATENING TO CRASH THE POLICE DEPARTMENT'S WEBSITE. APD you now have the full attention of anonymous "ANONYMOUS" IS ACTUALLY KNOWN IN THE UNITED STATES FOR ITS CYBER-ATTACKS AGAINST U-S GOVERNMENT AGENCIES, MAJOR CORPORATIONS, EVEN THE CONTROVERSIAL WESTBORO BAPTIST CHURCH. THIS IS THE VIDEO POSTED ON YOUTUBE YESTERDAY... SPECIFICALLY MENTIONING THE SHOOTING OF JAMES BOYD, BY ALBUQUERQUE POLICE. IN ADDITION TO THE VIDEO, THE CITY SAYS IT RECEIVED A DIRECT THREAT OF A CYBER- ATTACK. OFFICIALS TELL US THEY ARE TAKING ALL OF THIS VERY SERIOUSLY. we are going to guard as best we can against any sort of penetration in our system, and the folks that made that threat have certainly had success against government agencies and large corporations in the past. ROB PERRY - SAYING THIS GROUP HAS BEEN SUCCESSFUL IN THE PAST! WE ALSO KNOW...ANONYMOUS HAS ALSO TARGETED THE CHURCH OF SCIENTOLOGY, PAYPAL, MASTERCARD AND MORE....BEFORE. IN THE VIDEO, THE GROUP ALSO REQUESTS A RALLY - TO "OCCUPY" POLICE HEADQUARTERS AND OTHER A-P-D FACILITIES. AS WE MENTIONED THE CITY IS NOW ON HIGH ALERT, AS ARE APD OFFICERS ABOUT THE THREATS EVEN THE RALLY.